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| 0001410578-23-000356-index.html | 2023-03-24 16:51:33 | |
| 0001410578-23-000356.txt | 2023-03-24 16:51:33 | |
 0001410578-23-000356-xbrl.zip | 389395 | 2023-03-24 16:51:33 |
| FilingSummary.xml | 32872 | 2023-03-24 16:51:33 |
| Financial_Report.xlsx | 113746 | 2023-03-24 16:51:33 |
| MetaLinks.json | 651048 | 2023-03-24 16:51:33 |
| mtal-20221231.xsd | 82526 | 2023-03-24 16:51:33 |
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| mtal-20221231xex21d1.htm | 10202 | 2023-03-24 16:51:33 |
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| mtal-20221231xex31d2.htm | 16397 | 2023-03-24 16:51:33 |
| mtal-20221231xex32d1.htm | 6644 | 2023-03-24 16:51:33 |
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| mtal-20221231xex4d5.htm | 237061 | 2023-03-24 16:51:33 |
| mtal-20221231_cal.xml | 31479 | 2023-03-24 16:51:33 |
| mtal-20221231_def.xml | 356312 | 2023-03-24 16:51:33 |
| mtal-20221231_lab.xml | 555706 | 2023-03-24 16:51:33 |
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| R1.htm | 82344 | 2023-03-24 16:51:33 |
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| report.css | 2767 | 2023-03-24 16:51:33 |
| Show.js | 1085 | 2023-03-24 16:51:33 |